80706536656533 has 24 divisors (see below), whose sum is σ = 126189352497600. Its totient is φ = 50972549461128.

The previous prime is 80706536656523. The next prime is 80706536656561. The reversal of 80706536656533 is 33565663560708.

80706536656533 is a `hidden beast` number, since 8 + 0 + 7 + 0 + 6 + 5 + 3 + 66 + 565 + 3 + 3 = 666.

It is not a de Polignac number, because 80706536656533 - 2¹³ = 80706536648341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80706536656523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4140060873 + ... + 4140080366.

It is an arithmetic number, because the mean of its divisors is an integer number (5257889687400).

Almost surely, 2^{80706536656533} is an apocalyptic number.

It is an amenable number.

80706536656533 is a deficient number, since it is larger than the sum of its proper divisors (45482815841067).

80706536656533 is a wasteful number, since it uses less digits than its factorization.

80706536656533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8280141286 (or 8280141261 counting only the distinct ones).

The product of its (nonzero) digits is 244944000, while the sum is 63.

The spelling of 80706536656533 in words is "eighty trillion, seven hundred six billion, five hundred thirty-six million, six hundred fifty-six thousand, five hundred thirty-three".